It's a thrill. It's really a very nice opportunity to see whether we find some organic material down in the soil or whatever is there.

ESA has a total budget of 5.25 billion euros ($5.75 billion) for 2016, up from 4.4 billion euros the previous year. Still, Mars Express money troubles seem to indicate that the costs may be rising faster than the budgets.

I hope that everything goes well and that we will have this rover on Mars either in 2018, preferably, or later on. But it's important because then we can say more about what is happening on Mars, or what happened on Mars.